mission san gregorio de abo ruins originally built in 1629

mission gregorio ruins originally 1629 spanish missionaries mexico ruins native american national historic landmark mission ruins franciscan mexico mountainair spanish mission architecture walls historical american west ancient pueblo indians plains indians arid snow fourteenth century salinas valley travel blue sky tanoans southwest tourist attraction hillside salinas pueblo missions national monument pueblo ruins winter cold anasazi culture remote masonry sunny day trail sandstone bricks road trip socorro history albuquerque mounds brick pueblo spanish anthropology belen worship excavate structure